Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8798487 | Image forming apparatus | Tomoharu Asano, Michio Kimura | 2014-08-05 |
| 8472818 | Image carrier deterioration degree evaluating device, image carrier failure predicting device, and image forming apparatus | Jun Yamane, Yasushi Nakazato, Kohji Ue, Masahide Yamashita, Mikiko Imazeki +5 more | 2013-06-25 |
| 8349529 | Electrophotographic photoconductor, and electrophotographic method, electrophotographic apparatus and process cartridge containing the electrophotographic photoconductor | Keisuke Shimoyama, Eiji Kurimoto, Kohsuke Yamamoto, Tetsuya Sakuma, Toshihiko Koizumi +2 more | 2013-01-08 |
| 8278016 | Electrophotographic photoconductor | Keisuke Shimoyama, Eiji Kurimoto, Kohsuke Yamamoto, Tadayoshi Uchida, Takumi Shinohara +1 more | 2012-10-02 |
| 8263297 | Electrophotographic photoconductor and electrophotographic apparatus | Takeshi Takada, Toshihiko Koizumi, Hideki Nakamura, Hajime Suzuki, Keisuke Shimoyama +2 more | 2012-09-11 |
| 8097393 | Image forming apparatus and image forming method | Takeshi Takada | 2012-01-17 |
| 7964327 | Electrophotographic photoreceptor and method of preparing the photoreceptor, and image forming apparatus, image forming method and process cartridge using the photoreceptor | Masanobu Gondoh, Akihiro Sugino, Hideo Nakamori, Shinji Nohsho, Tomoyuki Shimada | 2011-06-21 |
| 7879519 | Image bearing member and image forming apparatus using the same | Naohiro Toda, Yoshiki Yanagawa, Makoto Yasuda, Takeshi Orito | 2011-02-01 |
| 7851114 | Electrostatic latent image bearing member, and image forming apparatus, process cartridge, and image forming method using the same | Akihiro Sugino, Takeshi Takada, Kazukiyo Nagai | 2010-12-14 |
| 7781134 | Electrophotographic photoreceptor, image forming method, image forming apparatus and process cartridge for the image forming apparatus | Takeshi Takada, Akihiro Sugino | 2010-08-24 |
| 7391994 | Image forming apparatus, image forming process, and process cartridge for image forming apparatus | Takeshi Takada, Akihiro Sugino | 2008-06-24 |
| 7381511 | Photoreceptor, image forming method and image forming apparatus using the photoreceptor, process cartridge using the photoreceptor and coating liquid for the photoreceptor | Tomoyuki Shimada, Yasuo Suzuki, Nozomu Tamoto, Hidetoshi Kami, Yuuji Takana | 2008-06-03 |
| 7314693 | Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridge | Shinji Nohsho, Eiji Kurimoto, Hidetoshi Kami, Akihiro Sugino, Yasuyuki Yamashita +2 more | 2008-01-01 |
| 7267916 | Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor | Akihiro Sugino, Shinji Nousho, Eiji Kurimoto, Hideo Nakamori, Hidetoshi Kami +1 more | 2007-09-11 |
| 7220522 | Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the electrophotographic photoreceptor | Tomoyuki Shimada, Yasuo Suzuki | 2007-05-22 |
| 7212777 | Image forming apparatus used in electrostatic process | Takeshi Takada, Akihiro Sugino | 2007-05-01 |
| 7177583 | Image forming apparatus and copier | Eiji Kurimoto, Ryohichi Kitajima, Yoshiaki Kawasaki, Akihiro Sugino | 2007-02-13 |
| 7112392 | Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge for image forming apparatus using the electrophotographic photoreceptor | Tomoyuki Shimada, Yasuo Suzuki | 2006-09-26 |
| 7031650 | Image forming apparatus and copier | Eiji Kurimoto, Ryohichi Kitajima, Yoshiaki Kawasaki, Akihiro Sugino | 2006-04-18 |
| 7018755 | Electrophotographic photoconductor, electrophotography method using the same, electrophotographic apparatus, electrographic apparatus process cartridge and electrophotographic photoconductor outermost surface layer coating solution | Tomoyuki Shimada, Yasuo Suzuki, Nozomu Tamoto, Hidetoshi Kami | 2006-03-28 |
| 6861188 | Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor | Yasuo Suzuki, Tomoyuki Shimada, Nozomu Tamoto, Hidetoshi Kami | 2005-03-01 |
| 6853834 | Image forming apparatus and copier | Eiji Kurimoto, Ryohichi Kitajima, Yoshiaki Kawasaki, Akihiro Sugino | 2005-02-08 |
| 6853823 | Electrophotographic photoreceptor and image forming apparatus using the photoreceptor | Akihiro Sugino, Ryohichi Kitajima, Yoshiaki Kawasaki, Eiji Kurimoto | 2005-02-08 |
| 6824939 | Electrophotographic image forming method and apparatus | Eiji Kurimoto, Ryohichi Kitajima, Yoshiaki Kawasaki | 2004-11-30 |
| 6777149 | Electrophotographic image forming apparatus and process cartridge, and electrophotographic photoreceptor therefor | Akihiro Sugino | 2004-08-17 |